1.0 V 



< 



111 



X 



M 1.0 V 



I- 



° 1.0 V 



LU 



< 



TYPE 1 



LAMINAR 



TYPE 2a 

 WAVELIKE 

 /^aA/WWWV\AA/ w WW^\/WIA /v ^ 



TYPE 2b 



WAVELIKE 



^\aaAA-~^/^A^aaAA/WVaaA/ v -WVM^^ 



INTERMITTENT 



TYPE 3 



TYPE 4 



TURBULENT 



1.0 V 



1.0 V 



Figure 7 — Representative Hot Film Signals 

 for various Flow Regimes 



I 



i 















. c 



MINAR __________ 



TURBULENT ^, " """ 



-D F + A 



D F (x) 



/ 



/ 

 / 



/^ 









i 

 1 



AD T 



D F t (S xC -X ) 







J~ 1 ' 



•7 i 1 



;V s *e> , 





x„ 



Figure 8 — Idealized Body Frictional Drag Distribution 

 with a Turbulence Trip 



26 



